If an atom has an electron, it has what charge and is found where? a positively charged, in the nucleus of an atom
b negatively charged, in the electron cloud
c neutral, in the electron cloud
d positively charged, in the nucleus of an atom

Abiology teacher asks students to give examples of genetic variations that support the idea that changes in a population’s environment affect genetic variation. which is the least supportive example? a.changes in genetics in human populationsb.antibiotic resistance in bacteria populationsc.pesticide resistance in garden insectsd.changes in the color of the peppered moth population in england